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Stones last won the day on June 27

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  1. @Square Feet - Impressive! - out of interest, what is the ceiling height?
  2. The original Sunamp PV unit was IIRC intended to be used in conjunction with a Combi boiler, allowing households to benefit from PV diversion - one significant market that had been identified was social housing where PV rent-a-roof had been installed, and the thought that to meet fuel poverty targets, their would be an investment in anything which could help reduce tenant bills. I think it was @DamonHD who originally made us all aware of the product, and it just so happened to be the ideal solution to the overheating cupboard issue @Jeremy Harris had. A couple of other members decided to use the product, and it was certainly something I looked into as well, but I concluded that there was no benefit in me using the product due to my specific requirements. I went with a straightforward ASHP and UVC system and it suits our needs perfectly. It's very easy to get swept along in a tide of enthusiasm for a (new) product which has positive attributes, and initially, I was one of those individuals. Stepping back and honestly assessing your individual circumstances and requirements isn't easy sometimes, but probably the best advice I could give.
  4. We don't have the WiFi module or use the MELCloud service, and to be honest can't see a reason why you would ever want or need to. The system works perfectly without it, or indeed without integration into a home management / automation system. We run our house as a single zone, and it maintains the set indoor temperature without any issue. We have room thermostats in the bedrooms controlling actuators on the UFH manifold so we can turn off the heating in the bedrooms, but other than that, it just ticks along in the background. I use the Auto function which works on a weather compensation basis, only heating to the lowest flow temp required to maintain the set temperature (in our case it's very rare for flow temp to exceed 30C). No complicated setting up in terms of setting heating curves (although you can control by this option if you wish). Controller also allows you to programme on/off times to match cheap electricity rates etc. Master controller records details of energy use and production. I wouldn't waste any money trying to integrate with other control systems or cloud functionality as they simply are not needed.
  5. Apologies for the delay. When I did speak to them, they said it was just one of those things that can happen. The cold loft location may have been a factor, but equally, it may not given my unit was housed in an insulated box.
  6. Could be a win for you here - if the pipe carries effluent out of septic tanks to a watercourse, you could fit a larger treatment plant and take in that effluent flow in addition to your own requirements. You would then be saying to SEPA, if you let me discharge to watercourse (and thus avoid filter mound), I'll clean up the pollution currently being discharged...
  7. No buffer tank, didn't see the need or point as we have UFH covering 150 sq m of slab, which is of course a huge buffer in of itself, and we've not had any issues with short cycling which was one of the main reasons why we might have fitted a buffer. Plumber fitted the cylinder and ASHP, but as per the blog entries, simple and quick for them to do. No specific contacts - just give them a ring. The package was circa £800 or so cheaper than the plumber quoted via the local merchant here.
  8. @Andrew @JulianB Some additional reading for you both in respect of ASHP feeding UFH, and a 300 litre UVC using a preplumbed Mitsubishi Ecodan:
  9. This is what I've used to clean algae off our render: Sprayed on with a small garden sprayer, gently agitated in with a paintbrush if quite heavily soiled, then leave. Two days later, all gone.
  10. @DOIGAN That's what the unit was supplied with. In the end I opted to get some new spire clips (I called them chimney nuts above) and new machine screws with a Pozi2 head, and accept that I will end up replacing the spire clips as soon as they become loose.
  11. So, cutting my grass the other day, found the pictured part lying on the newly cut grass. No change to the operation of my ride on mower, and can't work out where it has come from or its purpose, only that its been held at one end by a circlip. From the marks on it, looks like belt wear? Any ideas?
  12. How about EPDM, single piece ordered cut to size online? That's what I used when building a log store at our last house. Yes you need a substrate for the EPDM but OSB is fine. Easy to do on your own and trims available to keep it neat.
  13. Absolutely, The past month (and some days before) we have had internal house temps getting up to 24C (ambient air between 10 and 12C). Our house is orientated south west so gets the benefit of the sun most of the day, when it is out. As the sun rises in the sky over the summer, we don't generally see temps going as high inside,simply on the basis that the sun doesn't penetrate as far into the house. We almost always have a cooler air temp and breeze to help cool / regulate if required (with the exception of a couple of summers ago when air temp was a glorious 25C). I spent a fair bit of time trying to model our specific heat loss / gain by factoring in wind generated heat loss and solar gain, and I think got a pretty accurate model as borne out by what we experience. Determining the impact of solar gain, both average and peak, was fairly straight forward and identified what our cooling requirement was.
  14. @Margaret dailey have you considered that spending on a Structural Engineer may well SAVE you money in designing something that works and is cost effective? One member here saved over £10k on his foundation cost due to an SE coming up with an alternative solution.
  15. You need to STOP! NOW! Everyone has told you this needs properly designed and signed off by a Structural Engineer. You may want to consider some of the other consequences;